Can Oscar Live With Rachov's Nothobranchius?
Oscar and Rachov's Nothobranchius are NOT compatible tank mates.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (74–75°F). Maintaining stable temp in this range may be difficult.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✗ Not Compatible
Extreme size difference. Oscar (14") may eat or bully Rachov's Nothobranchius (2").
Temperament
✗ Not Compatible
Oscar (aggressive) is not compatible with Rachov's Nothobranchius (semi-aggressive). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Oscar is territorial. Provide plenty of space and hiding spots.
Trait Conflict
✗ Not Compatible
Oscar is a predator and may eat Rachov's Nothobranchius.
Tank Requirements
Minimum tank size for this combination: 78 gallons
| Parameter | Oscar | Rachov's Nothobranchius |
|---|---|---|
| Temperature | 74–81°F | 68–75°F |
| pH | 6–7.5 | 6–7 |
| Max Size | 14" | 2" |
| Temperament | Aggressive | Semi-aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 75 gal | 5 gal |
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